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Date:      Sat, 24 Mar 2012 18:50:13 +0100
From:      Christian Laursen <xi@borderworlds.dk>
To:        freebsd-stable@freebsd.org
Subject:   Re: FreeBSD 9.0 - GPT boot problems?
Message-ID:  <4F6E0955.8040807@borderworlds.dk>
In-Reply-To: <20120324172603.ee066e06.torfinn.ingolfsen@getmail.no>
References:  <20120324172603.ee066e06.torfinn.ingolfsen@getmail.no>

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On 03/24/12 17:26, Torfinn Ingolfsen wrote:
> Hi,
> I just installed FreeBSD 9.0-release / amd64 on a new machine (Acer Aspire X1470).
> I installed from a usb memory stick (the default amd64 image), which I booted by pressing "F12" and selecting it from the boot menu on the machine.
> I installed on a SSD (which replaced the hard drive originally in the machine), using the default scheme for 9.0 (GPT).
> The installation was painless (many thanks to all who made it that way), but when I try to boot the machine from the SSD afterwards, I just get this message from the BIOS:
> "ERROR: No boot disk has been detected or the disk has failed."
> I tried selecting the SSD from the boot menu (via F12) instead (it shows up as "EFI: M4-CT128M4SSD2"), but got the same message.
> I upgraded the BIOS from version P01-A3 to version P01-A4 (the newest available), still no dice.

It sounds a bit like the BIOS thinks that since the disk uses GPT you 
want to EFI boot. As far as I know the default bootcode in the PMBR is 
meant for old style BIOS booting.

Is it possible to disable EFI in your BIOS? If that is the case, that's 
probably the easiest solution.

I'm unsure of the current state of EFI boot in FreeBSD but a little bit 
of searching did not look promising.

-- 
Christian Laursen



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